Sometimes you may want to affect a single articulation-type. Although
it is always possible to use \tweak, it might become tedious to
do so for every single sign of a whole score. The following shows how
to tweak articulations with a list of custom settings. One use-case
might be to create a style sheet.
With 2.16.2 and above it is possible to put the proposed function,
\customScripts, into a \layout-block.